We usually deal on a 20% trade discount basis with an additional quantity discount for orders over 1000 units.
我们通常给予20%的商业折扣,外加订货1000件以上的数量折扣。
Bonny, take the next dirt track on the left. That will take us down into the valley.
波尼,沿着左边的下一个土路走。我们将沿路而下进入河谷。